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Table 1 Summary of T4-like genome sequences determined in comparison with T4

From: Genetic diversity among five T4-like bacteriophages

Genome Size (%GC) # ORFS (% of genome) # tRNAs # T4-like ORFs (% of all) #novel ORFs
T4 168,904 (35.0%) 273 (95.9%) 8 209 (76.6%) 64
RB69 167,560 (37.6%) 273 (94.0%) 2 208 (77.7%) 65
RB49 164,018 (40.5%) 272 (94.5%) 0 121 (44.5%) 151
Aeh1 233,234 (42.8%) 332 (91.6%) 24 104 (31.3%) 228
RB43 180,500 (43.2%) 292 (94.2%) 1 114 (39.0%) 178
44RR 2.8t 173591 (44.0%) 253 (92.8%) 16 116 (45.8%) 137
  1. The number of ORFs for T4 is from the GenBank accession but does not include 7 alternative translation products included within some ORFs. The number of ORFs predicted for T4 by GeneMarkS was 266 (93.1% of the genome length). tRNAs were predicted by tRNAscan-SE. The number of T4-like ORFs is the number of ORFs conserved in T4 and at least one of the other genomes studied. The remainder of ORFs in each genome are novel ORFs.